亚洲欧洲日韩一区二区三区_亚洲成人无码网站在线观看_国产欧美日韩四季色欲_kk久精品毛片A级蜜桃_国产sm一区二区视频_亚洲AV偷窥自拍_含羞草视频下载污_中文字幕精品亚洲字幕资源网_欧美手机午夜久久网_正在播放美乳高潮在线

Sodium Metatungstate

Sodium metatungstate is also known as hexasodium tungstate hydrate, which is a white crystal with chemical formula of Na6O39W12, CAS No. of 12141-67-2, density of 3.1g/ml, and refractive index of 1.5555. It is stable at room temperature and atmospheric pressure.

Advantages
It is non-toxic and easy to prepare with high density, and for recycle utilization. In addition, adopt sodium metatungstate solution to separate and purify microgranular conodont has the advantages of safety and high efficiency. And it is easy to operate. More importantly, it does not change the physical and chemical properties of the material which is being separated.

Applications
1. In marine biology, it is mainly used for the separation of ancient microorganisms and organic matter.
2. In pedology, it is mainly used in the separation of coacervate with large particles, organic matter and humic acid in soil.
3. In the field of geology, it is mainly applied in the separation of minerals and sedimentary rocks, providing a new way for the separation of fine grain of pure mineral separation.sodium metatungstate picture
Storage
It should be sealed and stored at room temperature somewhere is ventilated and dry. At the same time, it should avoid contact the material and oxide.

Hazard
Even a small amount of sodium metatungstate that leaches into groundwater can pollute the drinking water. Therefore, this product not be discharged into the surrounding environment without the permission of the relevant government.

More details, please visit:
http://www.tungsten-powder.com/sodium-metatungstate.html

Comments are closed.

Address: 3F, No.25-1 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China Copyright ? 1997 - 2025 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: sales@chinatungsten.com
舊版